Question

a man suffering from hypermetropia can see clearly an object kept at a distance 50 cm find the nature focal length and power of lens used in spectacles for removing this defect ​

Answer 1

Here is your answer-

Step-by-step explanation:

The reasons of hypermetropia -

hypermetropia is also known as Long sightedness for farsightedness a person suffering from hypermetropia is able to see distant objects clearly such persons cannot see the nearby objects clearly so and object placed at near point 25 is not clearly visible but as move it away from the eyes the object gradually becomes clear so we can say that the near point of a person with hypermetropia is not at 25 but at some longer distance .

Correction of hypermetropia -

To correct the defect of long sightedness convex lens of appropriate power is placed before eye.

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